Drawchemy is a free and open-source abstract drawing app that is specifically designed for Android tablets. It is inspired by the popular desktop application, Alchemy. With Drawchemy, users can create colorful abstract drawings with just a few strokes. The app can be used to produce finished artworks or as initial sketches for your favorite drawing software.

The app offers limitless possibilities for creativity and features several brushes, color selection with opacity, and effects such as mirror, gradient, and random hue. Users can also zoom and pan the canvas and load images as background. Drawings can be saved in PNG format and shared with others.

Drawchemy is licensed under GPLv3 and is developed by PPatrick. The developer welcomes feedback and encourages users to share their artwork on the dedicated Tumblr page. The app's source code is available on GitHub for those who want to contribute to its development.